Kent Triangular Scale Rules. Available in 3 different sets of ratios.
- Perfect for Students and Professionals.
- Easy to Read Calibrations.
- Dimensionally Stable.
- Manufactured in ABS Recycled Plastic.
- Colour Coded Centre Strips.
- 6 Calibrated Scales Per Ruler.
- 402 in Ratios 1:100, 200, 250, 300, 400, 500.
- 403 in Ratios 1:20, 25, 50, 75, 100, 125.
- 409 in Ratios 1:25, 5, 10, 20, 50, 100.
Kent Triangular Scale Rules feature one graduation per edge making 6 scales in total.
The centre section of each side is colour coded to make identification of the scale quicker and easier.
Most popular graduations are covered over the 3 types available.
Triangular scale rules have traditionally been preferred for the reading of drawings while oval section types are popular for drawing.